Antique radios, Old Time Radios
DV3A
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Country:
United States of America (USA)
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| Identical to |
DV3A
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| Similar
Tubes |
Normally replaceable-slightly different:
C299
; UV199
Other base:
DL3_deForest
; DV3
|
| First year |
1925
??
Saga of the Vacuum Tube, Tyne Seite 301
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| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 32
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| Base |
UV199
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3 Volts / If 0.06 Ampere / Direct / Battery = |
| Description |
Base same as the UV199, but "Isolantite" (a type of ceramic). It was sold in a metal can. This tube was first made during 1925 but discontinued later in the same year. It was reintroduced late in 1927.
This tube has a bigger bulb than the UV199 and the elements are mounted horizontally to the base.
|
Dimensions (WHD)
incl. pins / tip |
35 x 82 x mm / 1.38 x 3.23 x inch |
| Weight |
27 g / 0.95 oz |
| Information source |
Saga of the Vacuum Tube, Tyne p.301 ff.
-- Collector info (Sammler)
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DV3A: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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